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  <title>MSE: Don't get stuck buffering for too long when we have frames to show</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="mediasource.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<pre id="test"><script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

var receivedSourceOpen = false;
runWithMSE(function(ms, v) {
  ms.addEventListener("sourceopen", function() {
    ok(true, "Receive a sourceopen event");
    ok(!receivedSourceOpen, "Should only receive one sourceopen for this test");
    receivedSourceOpen = true;
    var sb = ms.addSourceBuffer("video/mp4");
    ok(sb, "Create a SourceBuffer");

    sb.addEventListener('error', (e) => { ok(false, "Got Error: " + e); SimpleTest.finish(); });
    fetchAndLoad(sb, 'bipbop/bipbop', ['init'], '.mp4')
    .then(fetchAndLoad.bind(null, sb, 'bipbop/bipbop', ['1'], '.m4s'))
    .then(fetchAndLoad.bind(null, sb, 'bipbop/bipbop', ['2'], '.m4s'))
    /* Note - Missing |bipbop3| segment here corresponding to (1.62, 2.41] */
    /* Note - Missing |bipbop4| segment here corresponding to (2.41, 3.20]  */
    .then(fetchAndLoad.bind(null, sb, 'bipbop/bipbop', ['5'], '.m4s'))
    .then(function() {
        // last audio sample has a start time of 1.578956s
        var promise = waitUntilTime(v, 1.57895);
        info("Playing video. It should play for a bit, then fire 'waiting'");
        v.play();
        return promise;
      }).then(function() {
        window.firstStop = Date.now();
        fetchAndLoad(sb, 'bipbop/bipbop', ['3'], '.m4s');
        // last audio sample has a start time of 2.368435
        return waitUntilTime(v, 2.36843);
      }).then(function() {
        var waitDuration = (Date.now() - window.firstStop) / 1000;
        ok(waitDuration < 15, "Should not spend an inordinate amount of time buffering: " + waitDuration);
        once(v, 'ended', SimpleTest.finish.bind(SimpleTest));
        return fetchAndLoad(sb, 'bipbop/bipbop', ['4'], '.m4s');
      }).then(function() {
        ms.endOfStream();
      });;
  });
});
</script>
</pre>
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